2111120212101 has 8 divisors (see below), whose sum is σ = 2822892357600. Its totient is φ = 1403380770672.

The previous prime is 2111120212081. The next prime is 2111120212127. The reversal of 2111120212101 is 1012120211112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111120212101 - 2⁹ = 2111120211589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111120212801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008174795 + ... + 1008176888.

It is an arithmetic number, because the mean of its divisors is an integer number (352861544700).

Almost surely, 2^{2111120212101} is an apocalyptic number.

It is an amenable number.

2111120212101 is a deficient number, since it is larger than the sum of its proper divisors (711772145499).

2111120212101 is a wasteful number, since it uses less digits than its factorization.

2111120212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016352035.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111120212101 its reverse (1012120211112), we get a palindrome (3123240423213).

The spelling of 2111120212101 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred twelve thousand, one hundred one".